Home / 142,015,266.70-213,022,900.05-61,236,234.70

Finding the Fourth Proportional to 142,015,266.70, 213,022,900.05 and 61,236,234.70

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Solution

The fourth proportional to 142,015,266.70, 213,022,900.05 and 61,236,234.70 is: 91,854,352.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    142,015,266.70 : 213,022,900.05 = 61,236,234.70 : x
  2. Step 2: Convert to fraction form
    142,015,266.70/213,022,900.05 = 61,236,234.70/x
  3. Step 3: Cross multiply
    142,015,266.70x = 213,022,900.05 × 61,236,234.70
  4. Step 4: Simplify right side
    142,015,266.70x = 13,044,720,303,936,444
  5. Step 5: Solve for x
    x = 13,044,720,303,936,444/142,015,266.70
  6. Step 6: Final answer
    x = 91,854,352.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.